On Sep 29, 5:10 am, voidspace <jhkim...@gmail.com> wrote:
> Hello folks,
>
> I have a question at beginner's level. When I saved multiple variables
> with same head but different tails in IDL, I found it is tedious to
> type all of them in as follows.
>
> SAVE, sst_cccma_cgcm3_1, sst_cnrm_cm3, sst_csiro_mk3_0,
> sst_gfdl_cm2_0, sst_gfdl_cm2_1, $
> sst_iap_fgoals1_0_g, sst_inmcm3_0, sst_ipsl_cm4,
> sst_miroc3_2_medres, sst_mpi_echam5, $
> sst_mri_cgcm2_3_2a, sst_ncar_ccsm3_0, sst_ncar_pcm1,
> sst_ukmo_hadcm3, sst_ukmo_hadgem1, $
> FILENAME='sst_cmip3_20c3m.sav'
>
> The '/All' keyword may help, but there are more variables that I don't
> want to save in. This aroused my curiosity, so I post my question here
> to know whether there is a workaround.
>
> In fact, I tried to find an advanced way by myself, but found it's
> difficult to know without an expert's guidance.
>
> An attempt with my best knowledge is as follows. As all model names
> from 'cccma_cgcm3_1' to 'ukmo_hadgem1' are saved in a string array
> 'model', I considered the 'EXECUTE' command.
>
> One prior step I did was saving 15 variable names in one single string
> array 'sst'.
>
> IDL> sst=STRARR(N_elements(model))
> IDL> FOR i=0, N_elements(model)-1 DO sst[i]='sst_'+model[i]
>
> Now, 'sst' contains 15 different variable names that I want to save
> in. Then, tried the following
>
> IDL> result=EXECUTE("SAVE, FILENAME='sst_cmip3_20c3m.sav', "+sst[i] )
>
> but in stuck because I have no idea how to make an implicit loop for
> 'sst[i]'.
>
> My attempt seems not a right way. I also thought it would be
> convenient if there is implicit do-loop like (sst(i),i=1,15) in
> Fortran, but I immediately got that it's nothing but a stupid idea.
>
> I thought over and googled as well but all were in vain.
>
> Can anybody suggest me a nice way to simplify the tedious command
> aforementioned?
>
> Best,
> John
You've already done the hard part, which is the string manipulation to
create your 'sst' array. The final step is to use StrJoin to bring
the array into one string joined by ', '. See below (UNTESTED).
result=EXECUTE("SAVE, FILENAME='sst_cmip3_20c3m.sav', strJoin(sst,',
',/Single) )
|
comp.lang.idl-pvwave archive
Members
Search
Help
Login
Home
